Buckle



FIG. 1 is a perspective view of the buckle showing the new design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a back view thereof;

FIG. 6 is a left side view thereof; and,

FIG. 7 is a right side view thereof.

The broken lines shown in each drawing figure is included for the purpose of illustrating environmental matter and forms no part of the claimed design. 

The ornamental design for a buckle, as shown and described. 